215735910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1997}}^1$

素因数の和:2297

約数の個数: 64

約数和(自身を含む): 559887552

約数和(自身を除く): 344151642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 277, 390, 554, 831, 1385, 1662, 1997, 2770, 3601, 3994, 4155, 5991, 7202, 8310, 9985, 10803, 11982, 18005, 19970, 21606, 25961, 29955, 36010, 51922, 54015, 59910, 77883, 108030, 129805, 155766, 259610, 389415, 553169, 778830, 1106338, 1659507, 2765845, 3319014, 5531690, 7191197, 8297535, 14382394, 16595070, 21573591, 35955985, 43147182, 71911970, 107867955, 215735910]

約数ペア:

[(1, 215735910), (2, 107867955), (3, 71911970), (5, 43147182), (6, 35955985), (10, 21573591), (13, 16595070), (15, 14382394), (26, 8297535), (30, 7191197), (39, 5531690), (65, 3319014), (78, 2765845), (130, 1659507), (195, 1106338), (277, 778830), (390, 553169), (554, 389415), (831, 259610), (1385, 155766), (1662, 129805), (1997, 108030), (2770, 77883), (3601, 59910), (3994, 54015), (4155, 51922), (5991, 36010), (7202, 29955), (8310, 25961), (9985, 21606), (10803, 19970), (11982, 18005)]